How To Convert A Dot5 Brake System To Dot 4. Visbella Car Care High Quality Brake Fluid DOT3 DOT4 DOT5 Brake Fluid and DOT3 That can lead to boiling in heavy braking because unlike DOT 3 & 4 the water isn't mixed with the DOT5 so it's boiling point is very low DOT 3 or 4 with thoroughly mixed water can cause corrosion but may be not as extensively as one may think
Technical information QUALIFIER BRAKE FLUID DOT 4 Repsol from lubricants.repsol.com
DOT 5 with separated water within it will cause corrosion where the water sits That can lead to boiling in heavy braking because unlike DOT 3 & 4 the water isn't mixed with the DOT5 so it's boiling point is very low
Technical information QUALIFIER BRAKE FLUID DOT 4 Repsol
You still need to inspect the pipework periodically Roger Re-install all the parts, fill the reservoir with DOT5 fluid, and bleed as normal I would assume H-D brake systems use DOT 5 compatible seals in their brake components! I agree with the other's here that using DOT 5 in a system designed for DOT 3/4 only invites problems.
DOT 3 vs DOT 4 Brake Fluid Wilwood Brakes Explains What’s Best YouTube. They can react badly with each other and corrode our brake system." 2 Also, none of the different types of brake fluid should be mixed
Everything You Need To Know About DOT 5 Brake Fluid ReviveNRide. You still need to inspect the pipework periodically Roger To get started, crack open the brake bleeder on one of the calipers